package com.baseframe.log.handler;

import com.baseframe.tool.result.R;
import com.baseframe.tool.utils.data.BeanUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.web.error.ErrorAttributeOptions;
import org.springframework.boot.web.servlet.error.DefaultErrorAttributes;
import org.springframework.lang.Nullable;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.WebRequest;

import java.util.Map;




@Slf4j
public class BaseErrorAttributesHandler extends DefaultErrorAttributes {


    @Override
    public Map<String, Object> getErrorAttributes(WebRequest webRequest, ErrorAttributeOptions options) {

        String requestUri = this.getAttr(webRequest, "javax.servlet.error.request_uri");
        Integer status = this.getAttr(webRequest, "javax.servlet.error.status_code");
        Throwable error = getError(webRequest);
        R<Object> result;
        if (error==null){
            log.error("URL:{} error status:{}", requestUri, status);
            result = R.fail(status,"系统未知异常[HttpStatus]:" + status);
        }else {
            log.error(String.format("URL:%s error status:%d", requestUri, status), error);
            result = R.fail(status,error.getMessage());
        }

       return BeanUtil.toMap(result);
    }

    @Nullable
    @SuppressWarnings("unchecked")
    private <T> T getAttr(WebRequest webRequest, String name) {
        return (T) webRequest.getAttribute(name, RequestAttributes.SCOPE_REQUEST);
    }
}


